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Finding the Fourth Proportional to 6,472.97, 8,934.33 and 3,821.21

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Solution

The fourth proportional to 6,472.97, 8,934.33 and 3,821.21 is: 5,274.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472.97 : 8,934.33 = 3,821.21 : x
  2. Step 2: Convert to fraction form
    6,472.97/8,934.33 = 3,821.21/x
  3. Step 3: Cross multiply
    6,472.97x = 8,934.33 × 3,821.21
  4. Step 4: Simplify right side
    6,472.97x = 34,139,951.14
  5. Step 5: Solve for x
    x = 34,139,951.14/6,472.97
  6. Step 6: Final answer
    x = 5,274.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.